下列气体中,下列不是温室效应的相关气体的是

A、CO[img=~/QImg/2013-10-14-11-50-56/image001.gif]
B、CH[img=~/QImg/2013-10-14-11-50-56/image004.gif]
C、N[img=~/QImg/2013-10-14-11-50-56/image001.gif]O
D、CO
E、CFC[img=~/QImg/2013-10-14-11-50-56/image006.gif]